And politics aside, what kind of a security guard rocks up to a...

And politics aside, what kind of a security guard rocks up to a situation like that dressed like that? How would protestors from either side know he was security?

If a bouncer at the local pub wears a security uniform, you'd think a security guard at a tense environment with far left and far right facing off against each other might have invested in a ten dollar 'Security' shirt.